package labox.innovation.util;

import java.util.Iterator;
import java.util.TreeMap;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

import labox.innovation.gameserver.model.L2Object;

/**
 * 
 * @author dishkols
 */
public class WorldObjectTree<T extends L2Object> extends L2ObjectMap<T> {
	private final TreeMap<Integer, T> _objectMap = new TreeMap<Integer, T>();

	private final ReentrantReadWriteLock _rwl = new ReentrantReadWriteLock();

	private final Lock _r = _rwl.readLock();

	private final Lock _w = _rwl.writeLock();

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#size()
	 */
	@Override
	public int size() {
		_r.lock();
		try {
			return _objectMap.size();
		} finally {
			_r.unlock();
		}
	}

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#isEmpty()
	 */
	@Override
	public boolean isEmpty() {
		_r.lock();
		try {
			return _objectMap.isEmpty();
		} finally {
			_r.unlock();
		}
	}

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#clear()
	 */
	@Override
	public void clear() {
		_w.lock();
		try {
			_objectMap.clear();
		} finally {
			_w.unlock();
		}
	}

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#put(T)
	 */
	@Override
	public void put(T obj) {
//		if (obj != null) {
//			_w.lock();
//			try {
//				_objectMap.put(obj.getObjectId(), obj);
//			} finally {
//				_w.unlock();
//			}
//		}
	}

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#remove(T)
	 */
	@Override
	public void remove(T obj) {
		if (obj != null) {
			_w.lock();
			try {
				_objectMap.remove(obj.getObjectId());
			} finally {
				_w.unlock();
			}
		}
	}

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#get(int)
	 */
	@Override
	public T get(int id) {
		_r.lock();
		try {
			return _objectMap.get(id);
		} finally {
			_r.unlock();
		}
	}

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#contains(T)
	 */
	@Override
	public boolean contains(T obj) {
		if (obj == null)
			return false;
		_r.lock();
		try {
			return _objectMap.containsValue(obj);
		} finally {
			_r.unlock();
		}
	}

	/**
	 * @see net.sf.l2j.util.L2ObjectMap#iterator()
	 */
	@Override
	public Iterator<T> iterator() {
		_r.lock();
		try {
			return _objectMap.values().iterator();
		} finally {
			_r.unlock();
		}
	}

}
